Sherlock is a program that was forged form the https://warwick.ac.uk/fac/sci/dcs/research/ias/software/sherlock which is published under the GPLv2.

Sherlock is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 of the License.

Sherlock is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this copy of Sherlock. If not, see https://www.gnu.org/licenses/.

The Sherlock source-code was extended as part of PhD thesis entitled "Effect of source-code preprocessing techniquers on plagiarsim detection accuracy in student programming assignments".